QUIC - (no behavior change) s/NULL/nullptr/g in .../quic/...

net/quic/congestion_control/send_algorithm_simulator.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/congestion_control/send_algorithm_simulator.h"
 
 #include <limits>
 
 #include "base/logging.h"
 #include "base/rand_util.h"
@@ skipping 95 matching lines @@
                << send_event.time_delta.ToMicroseconds() << "us";
       clock_->AdvanceTime(send_event.time_delta);
       SendDataNow(send_event.transfer);
       bytes_sent += kPacketSize;
     }
   }
 }
 
 SendAlgorithmSimulator::PacketEvent SendAlgorithmSimulator::NextSendEvent() {
   QuicTime::Delta next_send_time = QuicTime::Delta::Infinite();
-  Transfer* transfer = NULL;
+  Transfer* transfer = nullptr;
   for (vector<Transfer>::iterator it = pending_transfers_.begin();
        it != pending_transfers_.end(); ++it) {
     // If we've already sent enough bytes, wait for them to be acked.
     if (it->bytes_acked + it->bytes_in_flight >= it->num_bytes) {
       continue;
     }
     // If the flow hasn't started, use the start time.
     QuicTime::Delta transfer_send_time = it->start_time.Subtract(clock_->Now());
     if (clock_->Now() >= it->start_time) {
       transfer_send_time =
           it->sender->send_algorithm->TimeUntilSend(
               clock_->Now(), it->bytes_in_flight, HAS_RETRANSMITTABLE_DATA);
     }
     if (transfer_send_time < next_send_time) {
       next_send_time = transfer_send_time;
       transfer = &(*it);
     }
   }
   DVLOG(1) << "NextSendTime returning delta(ms):"
            << next_send_time.ToMilliseconds();
   return PacketEvent(next_send_time, transfer);
 }
 
 // NextAck takes into account packet loss in both forward and reverse
 // direction, as well as correlated losses.  And it assumes the receiver acks
 // every other packet when there is no loss.
 SendAlgorithmSimulator::PacketEvent SendAlgorithmSimulator::NextAckEvent() {
   if (sent_packets_.empty()) {
     DVLOG(1) << "No outstanding packets to ack for any transfer.";
-    return PacketEvent(QuicTime::Delta::Infinite(), NULL);
+    return PacketEvent(QuicTime::Delta::Infinite(), nullptr);
   }
 
   // For each connection, find the next acked packet.
   QuicTime::Delta ack_time = QuicTime::Delta::Infinite();
-  Transfer* transfer = NULL;
+  Transfer* transfer = nullptr;
   for (vector<Transfer>::iterator it = pending_transfers_.begin();
        it != pending_transfers_.end(); ++it) {
     QuicTime::Delta transfer_ack_time = FindNextAcked(&(*it));
     if (transfer_ack_time < ack_time) {
       ack_time = transfer_ack_time;
       transfer = &(*it);
     }
   }
 
   return PacketEvent(ack_time, transfer);
@@ skipping 202 matching lines @@
   }
   transfer->bytes_in_flight += kPacketSize;
 }
 
 // Advance the time by |delta| without sending anything.
 void SendAlgorithmSimulator::AdvanceTime(QuicTime::Delta delta) {
   clock_->AdvanceTime(delta);
 }
 
 }  // namespace net